Agent willis had several clients who disenrolled from the plans he represents during the aep to try new medicare advantage plans. agent willis believes that the choices they made are not ideal for them and would like to get their business back during the medicare advantage open enrollment period (ma-oep). what can agent willis do? choose one answer. a. he can wait until october and send them information about the plans he represents. b. he can call them to let them know that if they do not like their new plans, they can change back during the ma-oep. c. he can send them information about the ma-oep along with a flyer on the plans he represents. d. he can e-mail them in january and ask them to let him know if they are not happy with their new plans.